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Naturwissenschaften. 1999 Nov;86(11):552-5.

Serial elastic elements in the damselfly wing: mobile vein joints contain resilin

Author information

1
Max-Planck-Institut fur Entwicklungsbiologie, Spemannstrasse 35, D-72076 Tubingen, Germany.

Abstract

Two main types of joints occur in the damselfly wing: mobile and immobile. Some longitudinal veins (RP2(-), RP3&4(-), and MP(-)) are elastically joined with cross veins, whereas other longitudinal veins (IR1(+), IR2(+), MA(+), CuA'(+)) are firmly joined with cross veins. In this study we mapped the distribution of serial elastic elements in the wing. The occurrence of resilin, a rubberlike protein, in mobile joints suggests that the automatic twisting mechanism of the leading edge by aerodynamic force works not by flexibility but by the elasticity of these joints. First, it should result in elastic energy storage in the distal areas of the wing. Second, serial elastic elements of wing presumably act as dampers of an aerodynamic force, which are responsible for gradual twisting of the leading edge.

PMID:
10551953
DOI:
10.1007/s001140050674

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